. >>> and one more note from another athlete in the news, lance armstrong. speaking out today, 24 hours before his big interview with oprah winfrey, airs. he offered a kind of preview, saying, quote, "i left it all on the table with oprah, and when it airs, the people can decide." he also made a prediction about the road ahead, saying, quote, "i have no idea what the future holds, other than holding my kids." >>> and still ahead on "world news," a new warning about energy drinks. and the new increase in people heading up to the e.r. our experiment shows what caffeine can do to your body and your brain. i've always had to keep my eye on her... but, i didn't always watch out for myself. with so much noise about health care... i tuned it all out. with unitedhealthcare, i get information that matters... my individual health profile. not random statistics. they even reward me for addressing my health risks. so i'm doing fine... but she's still going to give me a heart attack. we're more than 78,000 people looking out for more than 70 million americans. that's hea